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If I understand what you are showing, the two pairs find a shift of -1.67 and -1.44 respectively for West Chester 2NW's April 1970's move. Averaging 12 station to station pairs before the move, and 16 after. It would be straightforward to identify the non-move segments of local stations, and use those to test the others iteratively, building up a timeline for all stations. Assuming all of the station moves are at HOMR or on the 530-1s, that would still leave the TOB changes. Coatesville 1 SW switched from 8 PM to 8 AM & 8 PM at the end of October 1921, effectively eliminating the double counting of daily highs, shifting the time series down by 1.4 deg F.

Yeah decent light show well north. Meh.

Summers have been quiet overall. Except in Seymour CT.

NWS screwed the pooch yesterday morning by putting zero pops for Fairfax County in the 4 a.m. forecast. I'm sure I'm not the only one who trusted them and left my umbrella home!

Make that 6 inches in Charlottesville the first 6 days of August

If 7/15/1995 isn't on this list, I refuse to believe it's true. That was a very anomolous event. That is by far the highest dew point/heat index in most of the surrounding area.

Congratulations!! I got a grand total of .02" for Thursday, August 6................. .30" total for the first 6 days of August. Where's the rain??? At Charlottesville. Over 4 inches for the first 6 days of August.

no real end in sight to this look

get ready to MAD mild and damp

So, pretty much like being out in my garden. It's icky, that's for sure.

Stein decided to give us rain but webbed feet for storms. I knew this would happen here

I feel like short range models have been especially terrible this season. Parameters look healthy like vortex is saying. Today looks great for some fun imo.

Hazardous Weather Outlook National Weather Service State College PA 318 AM EDT Fri Aug 7 2026 PAZ004>006-010>012-017>019-024>028-033>037-041-042-045-046-049>053- 056>058-063-080800- Warren-McKean-Potter-Elk-Cameron-Northern Clinton-Clearfield- Northern Centre-Southern Centre-Cambria-Blair-Huntingdon-Mifflin- Juniata-Somerset-Bedford-Fulton-Franklin-Tioga-Northern Lycoming- Sullivan-Southern Clinton-Southern Lycoming-Union-Snyder-Montour- Northumberland-Columbia-Perry-Dauphin-Schuylkill-Cumberland- 318 AM EDT Fri Aug 7 2026 This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...Today and tonight. Heavy rain is possible from scattered thunderstorms today which may lead to isolated instances of flash flooding. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Heavy rain is possible from scattered thunderstorms on Saturday again, which may lead to isolated instances of flash flooding. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report significant hazardous weather. Hazardous Weather Outlook National Weather Service State College PA 318 AM EDT Fri Aug 7 2026 PAZ059-064>066-080800- Lebanon-Adams-York-Lancaster- 318 AM EDT Fri Aug 7 2026 This Hazardous Weather Outlook is for central Pennsylvania. .DAY ONE...Today and tonight. Strong to severe thunderstorms with gusty winds are possible this afternoon and early this evening. Heavy rain is also possible as well, which may lead to isolated instances of flash flooding. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Heavy rain is possible from scattered thunderstorms on Saturday again, which may lead to isolated instances of flash flooding. .SPOTTER INFORMATION STATEMENT... Spotters are encouraged to report significant hazardous weather

At least could you see the FQT LTGIC DSNT NW last night from Weymouth?

NYC just had their 2nd highest dew point of all-time at 79°. Probably some enhancement from being so close to the trees. As other stations weren’t quite as high.

SPC upgraded today to a slight risk for DC metro and points NE

Going to be another swamp arse pants day. Currently 75F /DP 73/RH 97%

I share your confusion about why the HRRR and RRFS have switched to an unenthusiastic solution for this afternoon.

Don’t expect much today and tomorrow. Maybe you get lucky.